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Stretching clamps, pneumatic control units and measuring devices
The progressive build-up of the clamping pressure and the lifting function of the SEFAR 3A stretching system enhances its perfor- mance by reducing the reject rate. Why? The mesh can’t slip out the jaws and eliminates friction between fabric and frame.
This means you are able to work with faultless, evenly-stretched screens. Day after day. Another plus point: The SEFAR 3A clamps are suitable for all screen printing mesh – regardless of screen size, materials or thread count. All of this with ease of handling and quick adjustments to the next frame size.
Modular single or dual-circuit pneumatic system
Progressive build-up of the jaw pressure
Raising and lowering function of the jaws
Jaws having widths of 150 and 250 mm
Stroke length of 75 or 145 mm
Max. mesh tension of 40 N/cm
Easy opening and closing of the clamping jaws
Robust construction
Rapid conversion to different frame formats
and no restriction on frame sizes
No slippage of the mesh from the clamps
Precise and kind-to-the-mesh stretching process
Simple and practical operation without excessive force
Consistent reproduction of high tension values obtainable
Pre-tensioning of the frame guarantees uniform tension values
Suitable for synthetic and wire mesh
Minimum maintenance necessary
SEFAR 3A / 150
Jaw width 150 mm
Stroke length 75 mm
SEFAR 3A / 250
Jaw width 250
Stroke length 75 mm
SEFAR 3A L/150
Jaw width 150 mm
Stroke length 145 mm
SEFAR 3A L/250
Jaw width 250 mm
Stroke length 145 mm
The programmable single or dual circuit electronic control unit in combination with SEFAR 3A
For pneumatic stretching systems there are two possibilities to allocate the air supply: Single or dual-circuit systems – complementary alternatives for optimal, balanced tension for all types of mesh and frame sizes. Single-circuit systems are recommended for frames having side lengths up to 150 cm.
For frames having sides longer than 150 cm dual-circuit systems are recommended.
Available as single or dual circuit system
Fully automatic tensioning process
Programmable for up to 50 different multilevel
tensioning processes
Serial interface to SEFAR Tensocheck 100
Tensioning to precise levels
Increased productivity and process reliability
The simple control unit in combination with SEFAR 3A
Universal, ergonomic and compact control unit in combination with SEFAR 3A
SEFAR® Tensocheck 200 the electronic gauge for monitoring screen tension. Its outstanding advantages: Its excellent value for money and ease of use. Our upgraded SEFAR Tensocheck 200 offers a range of additional features that are not available in any comparable product on the market.
High accuracy: Up 29.8 N/cm the resolution is 0.2 N/cm, over that, 0.5 N/cm
Exact readings in measuring direction
The highest process reliability and reproducible results
WiFi connection allows remote control and data transfer
Rechargeable battery via USB C connection
High-contrast LCD color display
Accurate, repeatable and documented screen tension
User-friendly operation
Independent monitoring of the zero position using the glass control plate
Measurement unit selectable by press button (N/cm or mm)
Adjustable automatic shutdown prevents from energy waste
Long energy supply and easy rechargeable
Remote control through smartphone or PC via WiFi
CSV logging of the easurement data through smartphone or PC via WiFi
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For general information concerning the Sefar Group feel free to contact the following address. Specific information on our screen printing or filtration solutions can be found by selecting Printing or Filtration in the navigation bar. Local information can be found by choosing your country in the drop-down list above the Sefar Logo. |